The BBC presenter brutally questioned the Sweat frontbencher on his party’s Brexit policy on Britain’s membership of the EU single make available and customs union.

Mr Neil said: «Can I just point out that when these two controversies came up in the Commons, Mr Corbyn whipped Labour MPs to vote against the individual market and against the customs union.

«He whipped them and those who frustrated the whip, the rebels, were fired. So, given you did that – and now we’re being let someone knowed we can stay in the single market – what on Earth’s is Labour’s policy?»

During a afire exchange on BBC Daily Politics, the BBC host repeatedly asked Mr McDonald whether the squad had an agreed line on Brexit.

Mr Neil said: «When John McDonnell predicted we must leave the single market, and Keir Starmer says we should hinder in the single market, who speaks for Labour?»

The Labour MP attempted to justify his signer’s position on Brexit, claiming it would keep the option to stay in the unmarried market «available» despite pledges from the British Government to allow to remain after Brexit.

Mr McDonald said: «What I’m saying to you is that the transitional days that we have promoted keeps the single market available.

«We should bring into the world a transitional period where the regulatory environment is exactly the same as it is now for us to realize that time to negotiate a settlement that suits the entire Of one mind Kingdom.»

Labour has been accused of yet another backtrack after trace Brexit Secretary Sir Keir Starmer urged the Government to put access to the Customs Team and Single Market “back on the table” – even though Jeremy Corbyn at one time ruled it out.

Mr Corbyn told Bloomberg earlier in July 2017: “The apart market is a concept that requires membership of the European Union.”

He constant sacked three frontbenchers for supporting a rebel amendment and backing withed membership in a Commons vote.

But in spite of the heavy-handed response, the Labour chief appeared to have changed his tune by the time the party conference turn up around.

Mr Corbyn vowed Labour would “guarantee unimpeded access to the lone market» in a Brexit deal with the EU.